BBAC: books and comics
BBY: Before the Battle of Yavin
BD: Battle Droid
BF: Boba Fett (character)
BFC: Black Fleet Crisis (novel series)
Big Three: Refers to Luke Skywalker, Han Solo, and Leia Organa Blue Harvest: Fake working title used during the production of Return of the Jedi
BP: Balance Point (novel)
BR: Blockade Runner (ship)
BTD: R2-D2: Beneath the Dome (a short mokumentary about the life of R2-D2)
BTH: Before the Helmet(a photo series on StarWars.com)
BTS: Behind the Scenes
BY: Battle of Yavin

CCanon: Part of the official Star Wars universe, according to Lucasfilm (e.g. fan fiction is not canon because it is not Lucasfilm approved)
CCG: Collectable Card Game
COTJ:Children of the Jedi (novel)CT: Clone trooper
CW: The Clone Wars

FFan Fiction: Star Wars stories written by fans that are not endorsed by LucasfilmFan Film: Star Wars movies produced by fans that are not endorsed by Lucasfilm
FF: Fan fiction; fan film
FH: Force Heretic (novel series)
Flanneled One: George LucasFOTJ: Fate of the Jedi novel series
FS: Full Screen, or Force Sensitive (someone able to feel the Force)

MMan in Plaid: George LucasMMORPG: Massive Multiplayer Online Role Playing Game (e.g. Star Wars Galaxies)
Mod:a forum moderator MJ: Mara Jade (character)
MTFBWY: May the Force Be With You (often used as parting words among fans)

NNJO: New Jedi Order (novel series) NR: New Republic

OO66: Order 66 (novel name, also the order the called for the killing of all Jedi)
OF:Outbound Flight (novel)
OOP: out of print OS: Official Site (StarWars.com)
OST: original soundtrack
OT: Original Trilogy (A New Hope, The Empire Strikes Back, and Return of the Jedi collectively) OZ: Australia